BOSTON — Scientists working to help astronauts regain balance after extended flights in zero gravity say they’ve found a way to use the research to help the elderly avoid catastrophic falls.

An “iShoe” insole contains sensors that read how well a person is balancing. The point is to gather information for doctors and to get people to a specialist — before they fall. Graduate student Erez Lieberman developed the technology while an intern at NASA.

The National Osteoporosis Foundation estimates 300,000 people annually suffer hip fractures. An average of 24 percent of hip-fracture patients age 50 and over die within a year of the fracture.

Eastbound lanes of Interstate 70 were closed Saturday afternoon at Georgetown due to a semitrailer fire, the Colorado Department of Transportation tweeted. The right lane remains closed, while the other lanes have since reopened. Drivers can expect heavy delays, transportation officials said. The fire initially closed both sides of the interstate as smoked crossed the highway. The load on the...